Method of pasteurizing liquids.



A. H. WEHMILLER. METHOD 0F 'PASTEURIZING UUIDS. APPLICATION FILED FEB.l. 1916.

1,227,101. Patented May22,1917.

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IQUIDS.

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APPLICATION FILED FEB. I. 1916.

the use of the the bottles does not result in the accomplish- F1-TEDSTAWNT omni Amann n; wnninnnnn, olf'sr. LoU1s,:-M1ssoun1, nssienon'rorAnnY-wnnniLI-.En

- MACHINERY COMFANY,A CORPORATION OF MISSOBI.

To all when;l it concer/n Be it known that LZALFRED H. .WnHMrL-- LER, acitizen of the United States of Amer.-

fica, a resident of the cityof St, Louis,.StateA thermic circulation ofthe bottled liquid by shifting the bottles while they are subjectedtothe ac ion of the pasteurizing liuid, thereby insuring a morerapidpasteurizing action and at the same time economiz'ing in heating. mediPrior ltoY this invention fluid in suchv a manner thatthe bottles areheld in 'upright positions, the necks of the bottles being usuallyuppermost. throughm `out the pasteurizing operation. In some of theprior pasteurizers the bottles are tilted slightly while entering orpassing out o the pasteurizing fluid, but this movement o the liquid'andfluid is quickly transmitted l'verting or otherwise turning the Theordinarymethod of pasteurizing bot#v tled liquids consists in placing inan endless jcarrier which travels'slowly.

throughthe pasteurizingiuid without" iiicompletely `fill' the-bottlenecks these necks contain only a small` of the contents of the bottlesthe following action takes'-4 place and since When the uprig t'u'bottlesenter thehot pasteurizing fluid," heat 'is transmftted to all parts ofthe bottles, but the temperature. o

soon. becomes higher than the temperature ofthe bodies. This is factthat. the comparatively small a `very the heat 1 of the pasteurizingfromv the necks to all of the liquid cont med therein.

the body of each bottle contains a very necks contain i Specification ofLettersatent.

Application l'ed February 7,

. out at the beginning eration, while `the liquid in one ofthe oblargevolume of liquid tbottle.'

bottled liquids thus placing .the hottest liquid have been conductedthrough pasteurizingcooler liquid, also thebottles bottles'. Theliquidin thefupri ht bottles does not percentage FigxIII. f Y e pasteurizershownjn d Walls 1 and-2,

due

small percentage of Since large nn'rnon or nns'rnunizme nrouins;

' Patented May 22, 1917. 191ev sqr'iaiiragraeis.

percentage of the liquid, thetemperature of thebody does not rise asrapidly as the temperatureV of the. neck, 'it being necessary totransmit the heat from the body to all ypoints throughout thecomparatively lirge t is important to not that in carrying out this oldmethod the" liquid at the partially filled u er end xof each bottle -isheatedthrough-A ofthe pasteurizing o'pbottle is heated very parativelyhot\ liquid is of the bottl 'the liquid will not 7ci'rcul from thehottestl part of the bottle to the quired to obtain a perature 'atallpoints vthroughtnit the tled liquid.

bot-

from which.itA will circulate th placing/ the hottest portion of eachbottle. Ain a position. where it will transmit liquid. LThis. causes athermic circulation of the liquid in the bottles and the bottled raisedto the desired uniform temperature throughout by the rapid transmissionof heat to all points throughout the ligidf 4igure I is a' verticalsection, partly broken away,

illustrating ay pasteurizer 4adapted for use in carr 'ng out my method.

Fig. IIl is a' diagrammatical view showing how the bottles are turnedfrom one position .to another las they travel through the pasteurizer.

Fig. III is afragnentary view illustrating another apparatus adaptedfor' use'in carryin out my method. Fig. V is an enlarged detail view o fone f 'the 'rotatable bottle carriers shown in Figs. I and I I comprisesa tank having en a 'bottom 3 and afcover'fi.' Partitions 5 and 6 extend'downwardly from the cover 4 to points near the bottom of the tank. 7 anesignate partitions extendiig pwardly from the bottom of the 1 1.1 tank.eat s transmitted from steam pipes v8 -to the -pasteui'lzfing Huidbetween the partitions 7 and`7 9 heat to the comparatively cool the bodyofthe v ate lin the body of the -herefore, considerable time isreuniform sterilizing tem- 'iin ` designates a steam pipe for heatingthe atin the bottle with the result of transmitting temp'erating Huidbetween the partitions -5 heat very rapidly to all points throughout and7. said liquid. In traveling downwardly as in- '.llhe bottle carriercomprises an endless dicated at A in Fig. II, the glass .bottle it- 60chain 1Q fitted to suitable sprocket wheels as self, and moreparticularly its neck and shown 1n Fig. I and adapted 5to travelstopper, becomes very hot, and when the botthrough the pasteurizer. 12designates bottle is inverted to the position shown at A tle holderssecured to the sprocket chain l0. the circulating liqui` contactsdirectly with The bottle carrier travels inthe direction inthe hotbottle neck and stopper, thus facili- 65 dicatedby arrows in Figs. I andII, the bot-n tating the thorough pasteurization of all of tlescontaining the liquid to be pasteurized the liquid in the bottle. Itwill, therefore, being placed in the bottle holders before the beunderstood that my method possesses latter reach the attemperating Huidbetween three advantages, namely, economy in the tled liquid isconducted downwardly through zation, and a thorough pasteurization ofall the attemperating Huid between the partiof the liquid in thebottles.

tion and end wall 1, then under the partirlhe apparatus shown in Figs.III and IV tion 5 andupwardly through the attempercomprises sprocketchains 10 and bottle between the partitions 5 and 7. holdersl2.rotatably fitted to said chains. 75

er passing from the attemperating fluid Each bottle holder 12 isprovided with a the bottled liquid is conducted downwardly pinion l5adapted to mesh with a long rack and then upwardly in the hotpasteurizing bar 16. When the sprocket chains are in Huid between thepartitions 7 and 7. Theremotion the pinions 15 travel along the rack aer, it is carriedthrough the cooling fluid bar 16, thus turning thebottle holders conon opposite sides of the partition 6. Y The stantlyduring the different stages of the bottle holders may be opened andclosed pasteurizing operation. Each bottle holder in any suitablemanner, and the bottle car- 12 is prefe ably provided with a series ofrier may be `driven by any suitable power radial bottlereceivi'ngpockets as shown in mechanism. v ig. IV. A constant thermic circulationof Figs. I and II clearly show that the bottles the bottled liquid' isinsured by turning the are turned from one position to another whilebottle holders constantly ,while they travel they are submerged 1n theattemperating, through the pasteurizing tank.

pasteurizing and cooling fluids, and as a con- I claim f sequence athermic circulation of the bottled 1. The improvement in the art ofpasteurliquid is created during the different stages izing liquids incontainers which comprises of the heating-and cooling operations. Forconducting the containers through an atexample, when a bottle is passingdowntemperating fluid, then through a pasteurizwardly in thepasteurizing fluid, as indicated ing uidhthereafter through a coolingiluid,

at A in Fig. II, the comparatively small and causing a thermiccirculation of the 95 volume of liquid in the bottle neck is heated 4liquid in the containers by turning said convery rapidly, this being duepartly to the tainers while they are submerged 1n the atfact that theheat will be quickly transmitted temperating, pasteurizing and coolingfluids.

through the small volume of liquid and 2. he improvement in the art ofpasteurpartly to the fact that the level of the liquid izing bottledliquids which comprises conis at a point below the upper end of theducting the bottles-containing the liquid bottle. 'ence the temperatureof the upper through a pasteurizing fluid so as`to raise portion of thebottle soon becomes vhigher the temperature of the upper portions of thethan the temperature of the lower portion of bottles to a higher degreethan the temperathe bottle. After the bottle has been placed ture of thelower portions of the bottles, and 1n this condition it is inverted tothe position then causing a thermic circulation of the indicated at A inFig. II, and conducted bottled liquid by turning each bottlesuiiiupwardly in the pasteurizing Huid. By ciently to place its hottestportion in a lower turning, or inverting, the bottle in this manplaney,than the comparatively cooler liquid 11er the hottest portion of thebottle is placed in the bottle. below the liquid contained therein,thereby f causing a thermic circulation of the liquid AALFRED H.WEHJMILLER.

